14. Boltzman's constant is equal to 1.38 x 10-23 J/ K. Hydrogen gas molecules have a...

14. Boltzman's constant is equal to 1.38 x 10-23 J/ K. Hydrogen gas molecules have a mass of 3.35 x 10-27 kg. At 1000 K, what would be the rms speed of these H2 molecules?

a. less than 1 m/s

b. 3.5 x 103 m/s

c. 1.2 x 107 m/s

d. more than 109 m/s

e. none of these

Expert Solution

genius_generous answered 2 years ago

The value of the universal gas constant is 0.082 (L atm)/(mol K) or 8.31 J/(mol k)...

The value of the universal gas constant is 0.082 (L atm)/(mol K) or 8.31 J/(mol k) and 1.00 atm = 760 mmHg or 760 torr. When a sample of H2O2 is decomposed, 350 mL of O2 gas is collected at 20 °C and at a partial pressure of 695 torr. How many moles of O2 gas were collect The value of the universal gas constant is 0.082 (L atm)/(mol K) or 8.31 J/(mol k) and 1.00 atm = 760 mmHg...

Determine the number of moles in 4.21 x 10^23 molecules of CaCl2

In a sample of hydrogen gas there are 4.92 x 10^ 18 hydrogen atoms. How many...

In a sample of hydrogen gas there are 4.92 x 10^ 18 hydrogen atoms. How many methane molecules (CH4) could be formed? Please explain how you got to the answer and the answer........

For a gas of neutral hydrogen atoms, at what temperature will equal numbers of atoms have...

For a gas of neutral hydrogen atoms, at what temperature will equal numbers of atoms have electrons in the a) ground state (n = 1) and in the first excited state (n = 2) and b) the ground state (n = 1) and second excited state (n = 3)? Show all work.

air behaves as an ideal gas with R = 0.287 k J k g K. A...

air behaves as an ideal gas with R = 0.287 k J k g K. A compressor operates at steady state and takes in air from ambient 0 kPa, gage and 300 K. The outlet pressure is 60 kPa, gage and 300 K. Determine: the mass flow rate if the inlet area is 10 cm2 and the inlet pressure is -3 kPa, gage. the minimum outlet temperature that is possible for this compressor. the isentropic efficiency of the compressor, assuming...

1a.For the Rydberg equation for hydrogen, . RH is the Rydberg constant and is equal to...

1a.For the Rydberg equation for hydrogen, . RH is the Rydberg constant and is equal to 1.09737 x 107 m-1. For the Lyman series, n=1 and the photons are in the ultraviolet. The shortest possible wavelength corresponds to the limit where . What is the photon energy (in eV) of this transition? 1b.What is the energy of the photon in the Lyman series (n=1) corresponding to m = 5? Give your answer in eV.

The equilibrium constant for the reaction of fluorine gas with bromine gas at 300 K is...

The equilibrium constant for the reaction of fluorine gas with bromine gas at 300 K is 54.7 and the reaction is: Br2(g) + F2(g) ⇔ 2 BrF(g) What is the equilibrium concentration of fluorine if the initial concentrations of bromine and fluorine were 0.121 moles/liter in a sealed container and no product was present initially?

The decomposition of SO2Cl2 is first order in SO2Cl2 and has a rate constant of 1.38×10−4...

The decomposition of SO2Cl2 is first order in SO2Cl2 and has a rate constant of 1.38×10−4 s−1 at a certain temperature. What is the half-life for this reaction? How long will it take for the concentration of SO2Cl2 to decrease to 25% of its initial concentration? Express your answer using two significant figures. If the initial concentration of SO2Cl2 is 1.00 M, how long will it take for the concentration to decrease to 0.72 M ? Express your answer using...

An ideal gas is expanding adiabatically from 314.3 K to 243.3 K, creating 3280 J of...

An ideal gas is expanding adiabatically from 314.3 K to 243.3 K, creating 3280 J of work. What type of gas is it?

A reaction has a rate constant of 1.23 x 10 ^-2 /s at 400 K and...

A reaction has a rate constant of 1.23 x 10 ^-2 /s at 400 K and .688/s at 450K. What is the activation barrier for the reaction and what is the value of the rate constant at 425 K ?

Question